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Questions tagged [imap]

IMAP stands for Internet Message Access Protocol and is the other e-mail protocol along with POP.

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dovecot / imap export all email addresses

I need to export all emails that a specific account communicated with, in order to create a list of emails. This generally means, open each email message and extract From: and To: from email headers. ...
Nick's user avatar
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48 views

Mail proxy for legacy tls 1.0 IMAP Exchange2010

We do have an old Exchange 2010(yes, i know) as our mail server. Exchange 2010 IMAP protocol only supports tls 1.0 or ssl3 as backup protocol. We have disabled ssl3, so our only option is tls 1.0. Our ...
Pebbles's user avatar
  • 11
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0 answers
64 views

Not able to Fetch email in otrs

I am trying to setup a otrs ticketing tool , the tool needs to fetch email and generate ticket, when I am setting that with my google mail account its working however when I am using my professional ...
biplab 's user avatar
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44 views

how to setup the folder separator a "/ " instead of a dot "." in imap maildir postfix and dovecot

The Question is already in the title. I want to setup dovecot and postfix with maildir , but I do not want the dot "." as folder separator. I like to use a folder system like "/" ...
Max Muster's user avatar
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0 answers
26 views

SASL Authentication - Why is it taking so long to login to the authentication server?

I can't describe it properly, but I have a Thunderbird mail client, I use it to receive and send mail through a user I created and an available domain. I use IMAP and POP3 services there, I also have ...
Pasrdfffsas's user avatar
0 votes
1 answer
128 views

Dovecot auth-worker logs fails but log in works

Everytime a log in occurs I get three log lines: Mar 19 15:29:05 auth-worker(6379): Info: pam(golf@email.com,124.1.1.1,<AL/fkjf3yr98xTrl>): pam_authenticate() failed: Authentication failure (...
Grandmaster Og's user avatar
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1 answer
33 views

A client-centric account backup and transfer option from many IMAP accounts into Dovecot?

I've got a scenario where I need to retain a live backup of over a dozen email accounts and within the next several months these accounts will need to be migrated over to a Dovecot. I became curious ...
ylluminate's user avatar
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Dovecot: Failed to get quota resource & Internal quota calculation error

Dovecot 2.3.13 gets the correct filesystem quotas but is not able to report it by IMAP: /etc/dovecot/conf.d/90-quota.conf: plugin { quota = fs:User quota:user } Quota Plugin is enabled globally and ...
Martin's user avatar
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-2 votes
1 answer
75 views

Why does IMAP specify a UID as well as UIDValidity

What is the design reason for uniquely identifying mail on a folder by folder basis rather than on a server wide basis? IMAP specifies that mail is uniquely identified by a folder name, a UIDValidity (...
Dom's user avatar
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154 views

Dovecot + imap_sieve learning spam

Have dovecot+sieve. It's most often recommended that users train spamassassin/rspamd in the following way: A Spam folder is created in each mailbox (Junk type) Further, through the imap_sieve plugin, ...
cozby's user avatar
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Postfix prevent rewriting recipient email address

I have a Linux server set up with Postfix and Dovecot. I have an address I am using to test the mail sending, user@anotherdomain.com. I can send out mail fine. However, when an email is sent to the ...
UltraCode's user avatar
0 votes
1 answer
157 views

Client is sending SMTP emails but they are not recorded in the "Sent" folder in webclients

I have been using instantly.ai to send emails. I connected IONOS.ca and JustHost.com mailboxes to instantly and it works fine (warmup, receiving and sending [yes other emails receive the emails sent, ...
Guest Man's user avatar
-1 votes
1 answer
66 views

Send email to different port / redirecting port

I have an email server (Dovecot) and I want to emails be sent from other servers to a different IMAP port, because I can't use the ports 465 and 993 If someone could help me doing this, I would ...
brokenPipe's user avatar
0 votes
1 answer
92 views

Additional mail check by a custom script on Exchange Server

Customer would like to check e-mail content (including attachment parsing) from a list of accounts and, in case of some detected trigger words, to send a copy of the mail to a person who has to be ...
Alexandr Ch's user avatar
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1 answer
308 views

Dovecot expunge all emails marked as deleted regardless of folder

I would have thought that this would be a FAQ but I haven't found a useful answer. How do I expunge all email messages deleted using the email client regardless of which folder it's in?
Gary Stainburn's user avatar
1 vote
0 answers
73 views

Webclient for mbox files

I have 20 OVH mail accounts. Whit imapbackup i create mbox file for each my account on a local server. To read the files i need to download the folder then import to Thunderbird. Is there a easy way ...
enrico-dev's user avatar
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0 answers
507 views

'FETCH' command with a 'BAD' response: Error in IMAP command FETCH: Invalid messageset (0.001 + 0.000 secs). on DoveCot IMAP Server

I'm hosting my webserver using postfix and dovecot. it works fine when i try to connect using my iphone and my macbook. I need to connect an external WebbApplication to get all E-Mails over IMAP ...
El-Salatinie's user avatar
0 votes
1 answer
144 views

How to subscribe to Office 365 IMAP folders

since about the beginning of November, I have troubles in using mail clients to access Office 365 mailboxes via IMAP. Specifically, it has become impossible to subscribe to IMAP folders, so that the ...
callegar's user avatar
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1 vote
1 answer
225 views

How best to deal with large dovecot inboxes?

I have a small number of mail users (abut 100) and some have comparatively large (10Gb+) mail boxes. I'm running Ubuntu using postfix and dovecot Maildir format. I could just keep adding storage, but ...
TommyPeanuts's user avatar
0 votes
1 answer
56 views

Migration plan for hosted e-mail

I am considering migrating my e-mail from one hosted provider to another; specifically to Proton Mail, but I don’t think that matters. My trepidation comes from my personal domain and the potential ...
Xophmeister's user avatar
1 vote
1 answer
175 views

Android application compatible with IMAP search without using local index?

I use an email account of several dozens of Giga, on computer and Smartphone. However, most applications use a local index to speed up the search of emails (this is the case of Outlook and Thunderbird ...
VanVan's user avatar
  • 19
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0 answers
302 views

How to import mbox file to Maildir

I have the following mbox file: /home/incoming/test_data/example_data/.transaction_emails_mbox. I want to move the emails in the mbox file to Maildir at the following directory, where all the user's ...
trouble_bucket's user avatar
0 votes
1 answer
62 views

Can I host some mail addresses in Microsoft 365 and keep the others in IMAP host?

I manage a company with 200 users, all of them having IMAP mail in a cloud based hosting (not on premise); now I want to migrate some of those users on Microsoft 365, keeping the most of them on IMAP; ...
SYS64738's user avatar
0 votes
1 answer
228 views

Postfix: dedicated user to send emails

My current Postfix setup allows to send emails only with the local users (like, if I logged as xyz then email will be sent as xyz@server.com). I have Courier IMAP server, with the same user xyz but ...
Green Root's user avatar
0 votes
1 answer
264 views

Does email client connect to IMAP/SMTP server by resolving IP through A record or MX record?

With my limited understanding, I understand when an SMTP server sending email out, it resolves the MX record to get to the destination email server. But what about when you setup an email account on ...
Nick Li's user avatar
  • 103
0 votes
1 answer
206 views

How to configure Exim4 to relay emails from authenticated users in various locations

I have a Debian cloud server with Exim4 running and serving emails with DMARC, SPF, and DKIM properly set up. I can ssh into the server and send and receive encrypted emails successfully. Dovecot is ...
Jeff12's user avatar
  • 3
0 votes
0 answers
556 views

Protecting Postfix/Dovecot combo against brute force

Typical mail server with Postfix and Dovecot if well configured, rejects efficiently vast majority of spammers attempts. There are two things though, which are not dealt with in typical configurations ...
silverdr's user avatar
  • 101
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0 answers
20 views

Transporting emails from a hosting to the other one

I have a shared hosting web site from a hosting company using plesk panel. I was using IMAP on my iphone for email send and receive. I created many folders under incoming emails. (I have about 5000 ...
Mustafa Albayrak's user avatar
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0 answers
38 views

IMAP Certificate based auth on iPhone?

I'm looking for a way to authenticate to O365 mailbox using IMAP with OAuth2 on iPhones. Oauth2 auth method on Apple IMAP Default mail is not supported. I thought of using a certificate based ...
poypoy's user avatar
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0 votes
0 answers
35 views

How to permit only certain e-mail clients for IMAP access

My company is giving out new Android smartphones to employees, and they should be able to manage their e-mail on them. Currently, only access via webmail is enabled, but the mobile webmail client (...
Ben Opp's user avatar
  • 247
0 votes
0 answers
143 views

Bizarre intermittent, but long lasting failure to connect to just one server

I have a bizarre connection issue with just one server that I have no idea how to diagnose. Basically I'm setting up a self-hosted email service using iRedMail and everything works fine for a while ...
Brad Robinson's user avatar
0 votes
1 answer
700 views

How to create failregex to block imap-logins fail2ban

Could someone help me with creating correct fail2ban filter. Bad ip addresses knocking port 993 /etc/fail2ban/filter.d/dovecot.conf doesn't catch such log I found something like this, but i get errors ...
kusjev's user avatar
  • 1
0 votes
1 answer
1k views

Is it possible to trigger a shell script on incoming emails, can it be done without services like dovecot, postix, etc? [closed]

This question more is for learning purpose. I'm exploring ways to develop a small email server (in + out). I have a domain that points to my server as well as mx records and all that stuff... I also ...
Jintor's user avatar
  • 139
0 votes
1 answer
125 views

manual certificate authentication for IMAPS

I'm running an IMAPS service and users are authenticated with an X.509 certificate. It works fine using Thunderbird. But how I can connect to the IMAPS service manually using openssl? I use the same ...
Micha's user avatar
  • 101
0 votes
1 answer
307 views

Share Postfix IMAP Calenders

We are currently running a dovecot mailserver(maildir) and postfix. - Ubuntu 18.04.6 LTS (Bionic Beaver) Our new COO wants to sync his contacts and calendar with outlook(MAC) and iOS(iPhone) using our ...
ragnarlod's user avatar
1 vote
0 answers
515 views

Exchange 2019 - IMAP Sync Failure

I have just deployed a new instance of Exchange 2019. Active Sync works fine (outlook and owa) and mail is processed ingress/egress fine. After enabling the IMAP services and associating the self ...
Les's user avatar
  • 11
1 vote
1 answer
586 views

MDA broken pipe with fetchmail / dovecot

I have set up a home mail server with dovecot to download and archive email from multiple webmail accounts via IMAP. The goal is to do this automatically every week with a cron job. I'm not sure if I ...
b20000's user avatar
  • 121
0 votes
0 answers
54 views

Map a subdomain to an individual email address

say I want to redirect multiple subdomains to different email addresses So: *@it.example.tld --> it-support@mail.tld *@finance.example.tld --> finance@mail.tld *@hr.example.tld --> hr@mail....
Darren Alexander's user avatar
0 votes
1 answer
317 views

does SSL/TLS STARTLS full encrypt connexion for POP and IMAP

I am configuring POP and IMAP accounts in thunderbird mail client. Here are 2 options: Security: None SSL/TLS STARTLS Authentication method: Normal password Encrypted password Kerberos / GSSAPI ...
Bob5421's user avatar
  • 299
1 vote
1 answer
381 views

Fetchmail does not use the indicated protocol

I'm trying to setup fetchmail for download some mail from gmail using pop3. The problem, as you can see, is that fetchmail instead of use the pop protocol will use imap. For being sure to not have ...
DottorBooom's user avatar
1 vote
1 answer
59 views

Clarification on the configuration of a mail server

I would like to start by saying that I have not seen any other forums or posts that clearly explain this thing. If there are, my poor English skills probably didn't make me understand the solution ...
DottorBooom's user avatar
1 vote
1 answer
309 views

How do I create separate mailbox configurations per virtual user with Dovecot?

Let's say I have two virtual users: bugs@domain.tld and admin@domain.tld. I want the mailboxes for bugs to be configured like this...: mailbox Sent { special_use = \Sent } mailbox Drafts { ...
The Tablet's user avatar
1 vote
1 answer
2k views

IMAP and SMTP Still use Self Signed SSL even I have issued a Mail Server SSL in Cyberpanel

I using cyberpanel on CentOS 7 and I setup SSL for my postfix and dovecot. But I still got "SSL Invalid" caused the self-signed SSL even I have configure SSL using Lets Encrypt. This is /etc/...
xdnroot's user avatar
  • 21
0 votes
1 answer
641 views

How to proxy IMAP/POP3 connection to appropriate backend mail server by domain

I have system with multiple email server (exchange, zimbra) for multiple domain. So when users of domain A want connect to server for getting email they have to use IP of server A (Ex: 192.168.10.253),...
Khoa Le Anh's user avatar
0 votes
1 answer
167 views

How to stop OS/daemon information leakage in dovecot (server_tokens)?

How do I stop dovecot from telling its clients what flavour of linux I'm running and that it's a dovecot imap server? If I connect to my smtp server, I see the following snippet user@host:~$ openssl ...
Michael Altfield's user avatar
0 votes
1 answer
57 views

Access POP3 content from other computer

I have a tough mission, that I have no idea how to accompish it. In our company, all the e-mail accounts are configured as IMAP accounts, therefore we can access the e-mail from wherever. However, ...
questionador's user avatar
0 votes
1 answer
217 views

Incoming external email appeared in Postfix log, but not in mailbox

I setup Postfix + Dovecot (with IMAP) for my Ubuntu 16.04 email server. I sent an email from Gmail to my domain, I can see the postfix log "reacts" with the incoming email, but the incoming ...
Raptor's user avatar
  • 1,001
0 votes
1 answer
680 views

Postfix dovecot unable to authenticate

I use to work with postfix/sasl/courrier-auth on Gentoo for years. I just migrated to Debian 10 postfix/dovecot. I'm unable to make it work : Send mail ok, TLS ok. But unable to authenticate (SMTP 587,...
user625434's user avatar
0 votes
0 answers
2k views

dovecot: imap-login: Aborted login (auth failed, 2 attempts in 2 secs) - usually working - perhaps timeout issue? Debug options?

I have a mail server with a few dozen IMAP accounts. The configuration is correct for each account, every one of them tests OK. When a client from a particular, very slow Internet connection attempts ...
Ned64's user avatar
  • 293
0 votes
1 answer
595 views

Are SMTPS and IMAPS ports really deprecated?

I've read that STARTTLS command was added and intended to deprecate the SSL ports. But even major mail servers like google still use SSL ports and even don't allow us to use classic ports with ...
knight_lightning's user avatar

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